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2578 - 0.5 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 6 coils and Closed ends. This spring features an O.D. of 0.328 Inch, and an I.D. of 0.262 Inch.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 2578
Ends Closed
Finish Zinc
Free Length 0.5 in
Inside Diameter 0.262 in
Material Spring Steel
Outside Diameter 0.328 in
Part Type Standard
Rate 17 lbs/in
SKU 2578CS
Solid Length 0.23 in
Suggested Max Deflection 0.27 in
Suggested Max Load 4.4 lbf
Total Coils 6
Wire Diameter 0.033 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 2578
Ends Closed
Finish Zinc
Free Length 12.7 mm
Inside Diameter 6.65 mm
Material Spring Steel
Outside Diameter 8.33 mm
Part Type Standard
Rate 2.98 N/mm
SKU 2578CS
Solid Length 5.84 mm
Suggested Max Deflection 6.86 mm
Suggested Max Load 19.57 N
Total Coils 6
Wire Diameter 0.84 mm
The 2578 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality hard drawn and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The 2578CS compression spring is designed with a free length of 1.5" total of 8.75 coils, and a rate of 8.3 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The 2578 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.